1. 15/25=45/x 2. 6/25=x/30 3. 2.5/6=x/9 4. 6/7=x/40

asked Mar 18, 2021 130k views

4 votes

1. 15/25=45/x
2. 6/25=x/30
3. 2.5/6=x/9
4. 6/7=x/40

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6 votes

$(15)/(25) = (45)/(x)\\15x = 45 \cdot 25\\15x = 1125\\x = 75$

$(6)/(25) = (x)/(30) \\25x = 30 \cdot 6\\25x = 180\\x = (36)/(5)$

$(2.5)/(6) = (x)/(9)\\6x = 2.5 \cdot 9\\6x = 22.5\\x = 3.75$

$(6)/(7) = (x)/(40)\\7x = 40 \cdot 6\\7x = 240\\x = (240)/(7)$

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